JP2013036968A - 発泡鉱石を用いた放射性物質の除染、遮蔽(発散抑制)、及び回収方法 - Google Patents
発泡鉱石を用いた放射性物質の除染、遮蔽(発散抑制)、及び回収方法 Download PDFInfo
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- JP2013036968A JP2013036968A JP2011183122A JP2011183122A JP2013036968A JP 2013036968 A JP2013036968 A JP 2013036968A JP 2011183122 A JP2011183122 A JP 2011183122A JP 2011183122 A JP2011183122 A JP 2011183122A JP 2013036968 A JP2013036968 A JP 2013036968A
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- radioactive
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- zeolite
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- 239000000941 radioactive substance Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title description 14
- 239000002689 soil Substances 0.000 claims abstract description 37
- 239000002245 particle Substances 0.000 claims abstract description 23
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 18
- 239000011707 mineral Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 13
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000005484 gravity Effects 0.000 claims abstract description 13
- 239000010457 zeolite Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000012857 radioactive material Substances 0.000 claims description 48
- 239000005332 obsidian Substances 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 9
- 238000005202 decontamination Methods 0.000 claims description 8
- 230000003588 decontaminative effect Effects 0.000 claims description 8
- 230000001629 suppression Effects 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 2
- 238000004043 dyeing Methods 0.000 claims 1
- 238000005187 foaming Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000003643 water by type Substances 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 14
- 239000008187 granular material Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000007667 floating Methods 0.000 description 6
- 239000000440 bentonite Substances 0.000 description 5
- 229910000278 bentonite Inorganic materials 0.000 description 5
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910052792 caesium Inorganic materials 0.000 description 4
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 4
- 230000002285 radioactive effect Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000010438 granite Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003758 nuclear fuel Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
【解決手段】 請求項1、2に記載の発泡鉱石の粒・粉体は、ゼオライトに類似した成分構成で多孔質構造の鉱物であると共に、ゼオライトなどの鉱物の粒・粉体に比べてきわめて軽量であること、又粒径が約1〜50mm、比重が約0.1〜1と広範囲であること、又透水と非透水の効果を併せ持つことなどの特質を有する。この特質を活用して空気中や液体中に存在する放射性物質、或いは土壌や植物など固体に付着する放射性物質を効果的に除染、遮蔽(発散抑制)、及び回収することを特徴とする方法。
【選択図】図1
Description
2 発泡黒曜石の礫層
3 放射性物質に汚染されていない客土層
4 放射性物質(放射性セシウムなど)
5 発泡黒曜石の粒体(粒径約5mm)
6 放射性物質に汚染されていない客土
7 地表面(実施前)
8 地表面(実施後)
9 植栽
10 大気
Claims (2)
- 黒曜石などの鉱石を焼成加工して発泡させた粒体又は粉体を用いて空気中や液体中に存在する放射性物質、或いは土壌や植物など固体に付着する放射性物質を除染、遮蔽(発散抑制)、及び回収することを特徴とする方法。
- 黒曜石などの鉱石を焼成加工して発泡させた粒・粉体は、ゼオライトなどの鉱物の粒・粉体に比べてきわめて軽量であること、又は粒径が約1〜50mm、比重が約0.1〜1と広範囲であること、又は透水と非透水の効果を併せ持つことなどの特質を活用して空気中や液体中に存在する放射性物質、或いは土壌や植物など固体に付着する放射性物質を除染、遮蔽(発散抑制)、及び回収することを特徴とする方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011183122A JP2013036968A (ja) | 2011-08-08 | 2011-08-08 | 発泡鉱石を用いた放射性物質の除染、遮蔽(発散抑制)、及び回収方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011183122A JP2013036968A (ja) | 2011-08-08 | 2011-08-08 | 発泡鉱石を用いた放射性物質の除染、遮蔽(発散抑制)、及び回収方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2013036968A true JP2013036968A (ja) | 2013-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011183122A Pending JP2013036968A (ja) | 2011-08-08 | 2011-08-08 | 発泡鉱石を用いた放射性物質の除染、遮蔽(発散抑制)、及び回収方法 |
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| JP (1) | JP2013036968A (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014173847A (ja) * | 2013-03-05 | 2014-09-22 | Toyokazutada Kk | 放射性元素吸着剤および放射性元素の除去方法、ならびに放射性元素を吸着した吸着剤の処理方法 |
| CN109087722A (zh) * | 2018-08-17 | 2018-12-25 | 西南科技大学 | 一种含铀低放废水生态化净化处理系统及处理方法 |
| CN114400105A (zh) * | 2021-12-10 | 2022-04-26 | 核工业北京地质研究院 | 一种降低野外工作场地放射性强度的方法 |
-
2011
- 2011-08-08 JP JP2011183122A patent/JP2013036968A/ja active Pending
Non-Patent Citations (3)
| Title |
|---|
| JPN6012066380; J.-L.Rehspringer: '"Confining caesium in expanded natural Perlite"' Journal of the European Ceranuc Society Vol.27, 2007, pp.619-622, ELSEVIER * |
| JPN6013021802; 「森林における放射性物質の除去及び拡散抑制等に関する技術的な指針(参考資料)(分割版その4)」[online , 20120427, 林野庁 * |
| JPN7013003425; '「福島・栃木・茨城の放射能除染と安全な植物油の生産をめざす田畑の除染とセシウム吸収抑制法のお知らせ」' インターネット * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014173847A (ja) * | 2013-03-05 | 2014-09-22 | Toyokazutada Kk | 放射性元素吸着剤および放射性元素の除去方法、ならびに放射性元素を吸着した吸着剤の処理方法 |
| CN109087722A (zh) * | 2018-08-17 | 2018-12-25 | 西南科技大学 | 一种含铀低放废水生态化净化处理系统及处理方法 |
| CN114400105A (zh) * | 2021-12-10 | 2022-04-26 | 核工业北京地质研究院 | 一种降低野外工作场地放射性强度的方法 |
| CN114400105B (zh) * | 2021-12-10 | 2025-08-12 | 核工业北京地质研究院 | 一种降低野外工作场地放射性强度的方法 |
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